html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

iframe {
    position: absolute;
    width: 800px;
    height: 600px;
    border: 1px solid #000;
    top: 20px;
    left: 20px;
}

#logger {
    position: absolute;
    width: 300px;
    height: 600px;
    top: 20px;
    left: 840px;
    border: 1px solid #000;
    white-space: pre-wrap;
}
